能源转型不仅仅是燃料的转换，更是整个经济和社会的转型。
I'm not here to please everyone, I'm here to be true to myself.
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
Peace is not just the absence of war, but the establishment of a stable, just, and sustainable international order.
The world is full of invisible wounds.
Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.